革兰氏阴性 (革蘭氏陰性) gé lán shì yīnxìng

gé lán shì yīnxìng proper noun Gram negative (bacteria that do not retain Gram stain, often the more dangerous kind)
Domain: Modern Chinese 现代汉语 , Subdomain: Biology
Notes: (CC-CEDICT '革蘭氏陰性')